Purview Message Encryption Roadmap

As managing vice president, Rob Helm covers Microsoft collaboration services and client software. His 25-plus years of experience analyzing Microsoft’s... more

Product: Purview Message Encryption

Licensing: Exchange Online

(This entry has been archived. For the current roadmap of this service, see Exchange Online Roadmap).

Microsoft Purview Message Encryption (formerly Office 365 Message Encryption) is a Microsoft-hosted service that encrypts e-mail messages, providing end-to-end, persistent protection against leakage of sensitive message content.

Near-Term

Purview Message Encryption is stable and will see relatively few changes. Microsoft has focused much recent development work on supporting the S/MIME standard, addressing an important requirement for government agencies and firms working with them. (See the chart “Exchange Message Encryption Options“)

The original Office 365 Message Encryption service version (called “legacy OME” or just “OME” by Microsoft) has been closed to new tenants since 2023, and Microsoft recommends that customers move off the technology “as soon as it is reasonable for your organization.” However, Microsoft has not announced a final shutdown date.

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